glXQueryContextInfoEXT() glXQueryContextInfoEXT()
glXQueryContextInfoEXT - query context information
int glXQueryContextInfoEXT(
Display *dpy,
GLXContext ctx,
int attribute,
int *value );
Specifies the connection to the X server. Specifies a GLX
rendering context. The visual ID that the context was
created with. The X screen the the context was created
for. The context with which this context shares display
lists. or NULL if this context does not share display
lists.
glXQueryContextInfoEXT() returns the the visual id, screen
number, and share list of ctx. This call may cause a round
trip to the server.
glXQueryContextInfoEXT() is part of the EXT_import_context
extension, not part of the core GLX command set. If
GLX_EXT_import_context is included in the string returned
by glXQueryExtensionsString(), when called with argument
GLX_EXTENSIONS, extension EXT_import_context is supported.
GLXBadContext is generated if ctx does not refer to a
valid context.
glXCreateContext(), glXQueryVersion(), glXQueryExtensionsString()
glXQueryContextInfoEXT()
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